Break Sky's dependency on cc

sky/viewer/cc/web_content_layer_impl.cc

-// Copyright 2014 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "sky/viewer/cc/web_content_layer_impl.h"
-
-#include "cc/layers/content_layer.h"
-#include "cc/layers/picture_layer.h"
-#include "sky/engine/public/platform/WebContentLayerClient.h"
-#include "sky/engine/public/platform/WebFloatPoint.h"
-#include "sky/engine/public/platform/WebFloatRect.h"
-#include "sky/engine/public/platform/WebRect.h"
-#include "sky/engine/public/platform/WebSize.h"
-#include "third_party/skia/include/utils/SkMatrix44.h"
-
-using cc::ContentLayer;
-using cc::PictureLayer;
-
-namespace sky_viewer_cc {
-
-WebContentLayerImpl::WebContentLayerImpl(blink::WebContentLayerClient* client)
-    : client_(client) {
-  if (WebLayerImpl::UsingPictureLayer())
-    layer_ = make_scoped_ptr(new WebLayerImpl(PictureLayer::Create(this)));
-  else
-    layer_ = make_scoped_ptr(new WebLayerImpl(ContentLayer::Create(this)));
-  layer_->layer()->SetIsDrawable(true);
-}
-
-WebContentLayerImpl::~WebContentLayerImpl() {
-  if (WebLayerImpl::UsingPictureLayer())
-    static_cast<PictureLayer*>(layer_->layer())->ClearClient();
-  else
-    static_cast<ContentLayer*>(layer_->layer())->ClearClient();
-}
-
-blink::WebLayer* WebContentLayerImpl::layer() {
-  return layer_.get();
-}
-
-void WebContentLayerImpl::setDoubleSided(bool double_sided) {
-  layer_->layer()->SetDoubleSided(double_sided);
-}
-
-void WebContentLayerImpl::setDrawCheckerboardForMissingTiles(bool enable) {
-  layer_->layer()->SetDrawCheckerboardForMissingTiles(enable);
-}
-
-void WebContentLayerImpl::PaintContents(
-    SkCanvas* canvas,
-    const gfx::Rect& clip,
-    ContentLayerClient::GraphicsContextStatus graphics_context_status) {
-  if (!client_)
-    return;
-
-  blink::WebFloatRect web_opaque;
-  bool can_use_lcd_text = false;
-  client_->paintContents(
-      canvas, clip, can_use_lcd_text, web_opaque,
-      graphics_context_status == ContentLayerClient::GRAPHICS_CONTEXT_ENABLED
-          ? blink::WebContentLayerClient::GraphicsContextEnabled
-          : blink::WebContentLayerClient::GraphicsContextDisabled);
-}
-
-bool WebContentLayerImpl::FillsBoundsCompletely() const {
-  return false;
-}
-
-}  // namespace sky_viewer_cc